139447067364 has 36 divisors (see below), whose sum is σ = 384535853520. Its totient is φ = 42256686960.

The previous prime is 139447067363. The next prime is 139447067377. The reversal of 139447067364 is 463760744931.

139447067364 is a `hidden beast` number, since 13 + 94 + 470 + 6 + 73 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 139447067364.

It is not an unprimeable number, because it can be changed into a prime (139447067363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176069134 + ... + 176069925.

Almost surely, 2^139447067364 is an apocalyptic number.

It is an amenable number.

139447067364 is an abundant number, since it is smaller than the sum of its proper divisors (245088786156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139447067364 is a wasteful number, since it uses less digits than its factorization.

139447067364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352139080 (or 352139075 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 54.

The spelling of 139447067364 in words is "one hundred thirty-nine billion, four hundred forty-seven million, sixty-seven thousand, three hundred sixty-four".